Ocena rzeczywistych efektów projektów współfinansowanych z funduszy unijnych na przykładzie projektu przebudowy skrzyżowań

The article presents possibilities of adapting the impact evaluation methodology to the evaluation of public intervention in road infrastructure. In the first part of the article the authors present the principles of the impact evaluation methodology, which serves to evaluate real effects of an intervention, as well as examples of evaluation projects prepared with the use of this method. The authors present their own empiric study, which was the first application of the methodology in the road infrastructure sector. The article concludes with a critical analysis of the method, especially concerning its reliability and potential usefulness in road infrastructure.